if (optimize) { cmd.createArgument().setValue("-O"); } if (verbose) { cmd.createArgument().setValue("-verbose"); } if (depend) { cmd.createArgument().setValue("-depend"); }
if (keepgenerated) { genicTask.createArg().setValue("-keepgenerated"); } // nocompil if (nocompil) { genicTask.createArg().setValue("-nocompil"); } // novalidation if (novalidation) { genicTask.createArg().setValue("-novalidation"); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/compilers/Jikes.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ejb/JonasDeploymentTool.java
Method name: boolean execute() Method name: void addGenICGeneratedFiles(File, Hashtable)
Number of AST nodes: 6 Number of AST nodes: 6
1
if (optimize) {
1
if (keepgenerated) {
2
            cmd.createArgument().setValue("-O");
2
            genicTask.createArg().setValue("-keepgenerated");
3
        }
3
        }
4
        // nocompil
4
        if (verbose) {
5
        if (nocompil) {
5
            cmd.createArgument().setValue("-verbose");
6
            genicTask.createArg().setValue("-nocompil");
6
        }
7
        }
8
        // novalidation
7
        if (depend) {
9
        if (novalidation) {
8
            cmd.createArgument().setValue("-depend");
10
            genicTask.createArg().setValue("-novalidation");
9
        }
11
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.5
Clones locationClones are in different classes
Number of node comparisons27
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)24.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    38
    if (optimize)
    38
    if (optimize)
    42
    if (keepgenerated)
    Differences
    Expression1Expression2Difference
    optimizekeepgeneratedVARIABLE_NAME_MISMATCH
    42
    if (keepgenerated)
    39
    cmd.createArgument().setValue("-O");
    39
    cmd.createArgument().setValue("-O");
    Preondition Violations
    Unmatched statement cmd.createArgument().setValue("-O"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                    
                                                                                                              
    43
    genicTask.createArg().setValue("-keepgenerated");
    40
    if (verbose)
    40
    if (verbose)
    44
    if (nocompil)
    Differences
    Expression1Expression2Difference
    verbosenocompilVARIABLE_NAME_MISMATCH
    44
    if (nocompil)
    41
    cmd.createArgument().setValue("-verbose");
    41
    cmd.createArgument().setValue("-verbose");
    Preondition Violations
    Unmatched statement cmd.createArgument().setValue("-verbose"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                                
                                                                                                    
    45
    genicTask.createArg().setValue("-nocompil");
    42
    if (depend)
    42
    if (depend)
    46
    if (novalidation)
    Differences
    Expression1Expression2Difference
    dependnovalidationVARIABLE_NAME_MISMATCH
    46
    if (novalidation)
    43
    cmd.createArgument().setValue("-depend");
    43
    cmd.createArgument().setValue("-depend");
    Preondition Violations
    Unmatched statement cmd.createArgument().setValue("-depend"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
                                                                                              
                                                                                                            
    47
    genicTask.createArg().setValue("-novalidation");
    Precondition Violations (4)
    Row Violation
    1Unmatched statement cmd.createArgument().setValue("-O"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    2Unmatched statement cmd.createArgument().setValue("-verbose"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    3Unmatched statement cmd.createArgument().setValue("-depend"); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted
    4The refactoring of the clones is infeasible, because the number of macthed statements is equal to zero